<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		
		<link rel="stylesheet" type="text/css" href="css/4.css"/>
		
	</head>
	<body>
		
		<div class="box">
			<div class="top">上边的</div>
			<div class="bottom">下边的</div>
		</div>
		
		<div>文字</div>
		
	</body>
</html>
